ISO 630 Gr E275 plates API Std 650 duplex stainless steel tanks

API 650 internal floating roof oil tank is a volatile liquid storage tank with a combination of a dome tank and an internal floating roof structure, which is a floating roof assembled under the dome of the API Std 650 duplex stainless steel tanks storage tank. The combination of the vault roof outside the API 650 storage tank and the floating roof inside the tank has been widely used in gasoline, aviation kerosene and more volatile chemical liquids.

Anti corrosion of API Std 650 duplex stainless steel tanks:
After using for a certain period of time, it is necessary to check the corrosion protection of the API Std 650 duplex stainless steel tanks. If necessary, the outer wall of the metal oil tank should be painted with new anti-corrosion paint to ensure that the outer wall of the API Std 650 duplex stainless steel tanks does not fall off and has good waterproof and rust resistance.
API Std 650 duplex stainless steel tanks cleaning:
The long-term use of API Std 650 duplex stainless steel tanks will produce impurities on the tank wall and deposit on the tank bottom, resulting in tank corrosion to leakage. According to the safety standard of oil tank, the API Std 650 duplex stainless steel tanks shall be cleaned and derusted regularly to ensure the quality of oil stored and the safety of oil tank equipment.

Vertical Storage Tanks Security against Damage
The assemblies of relieving devices shall be secured against damage in service, the effects of storms, or mishandling. Access ladders and platforms that meet API Std 650 duplex stainless steel tanks plant safety rules are suggested.
Vacuum-relieving Devices
A vacuum-relieving device, when used, shall be as direct in inflow as possible with no pockets where moisture can collect, and it shall have no piping except a weather hood ahead of the inlet. An adequate vacuum-air inlet shall also be provided.

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